<!DOCTYPE html>
<html>
<head>
<title>Cross-origin test</title>
</head>
<body>
<iframe src="http://localhost:8000/security/resources/agent-equality-report-to-parent.html">
</iframe>
<script>
// This file should be loaded as an iframe hosted on 127.0.0.1:8000.

// This test creates the following frame tree (note that 127.0.0.1 and localhost
// are cross-origin):
//
// A: 127.0.0.1:8000 (this file)
// |
// +-- B: localhost:8000
//
// This page posts a message to the parent window, containing two strings
// which correspond to the agent IDs of A and B, respectively.
//
// Success condition: A's agent is not the same as B's.

function onMessage(evt) {
  let agentIdB = evt.data;
  let message = [
    'cross-origin test',
    internals.getAgentId(window),
    agentIdB
  ];
  window.parent.postMessage(message, '*');
}

window.addEventListener('message', onMessage, {'once': true});
</script>
</body>
</html>
